Clean up trailing whitespace in the kernel headers.

And fix the scripts so they stop letting trailing whitespace through.

Change-Id: Ie109fbe1f63321e565ba0fa60fee8e9cf3a61cfc
diff --git a/libc/kernel/arch-mips/asm/sysmips.h b/libc/kernel/arch-mips/asm/sysmips.h
index 665f67f..96b18b8 100644
--- a/libc/kernel/arch-mips/asm/sysmips.h
+++ b/libc/kernel/arch-mips/asm/sysmips.h
@@ -18,11 +18,11 @@
  ****************************************************************************/
 #ifndef _ASM_SYSMIPS_H
 #define _ASM_SYSMIPS_H
-#define SETNAME 1  
-#define FLUSH_CACHE 3  
+#define SETNAME 1
+#define FLUSH_CACHE 3
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define MIPS_FIXADE 7  
-#define MIPS_RDNVRAM 10  
-#define MIPS_ATOMIC_SET 2001  
+#define MIPS_FIXADE 7
+#define MIPS_RDNVRAM 10
+#define MIPS_ATOMIC_SET 2001
 #endif
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */